124442202113 has 4 divisors (see below), whose sum is σ = 124468521540. Its totient is φ = 124415882688.

The previous prime is 124442202109. The next prime is 124442202119. The reversal of 124442202113 is 311202244421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311202244421 = 5441 ⋅57195781.

It can be written as a sum of positive squares in 2 ways, for example, as 20872158784 + 103570043329 = 144472^2 + 321823^2 .

It is a cyclic number.

It is not a de Polignac number, because 124442202113 - 2² = 124442202109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124442202119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13152620 + ... + 13162077.

It is an arithmetic number, because the mean of its divisors is an integer number (31117130385).

Almost surely, 2^124442202113 is an apocalyptic number.

It is an amenable number.

124442202113 is a deficient number, since it is larger than the sum of its proper divisors (26319427).

124442202113 is an equidigital number, since it uses as much as digits as its factorization.

124442202113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26319426.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 124442202113 its reverse (311202244421), we get a palindrome (435644446534).

The spelling of 124442202113 in words is "one hundred twenty-four billion, four hundred forty-two million, two hundred two thousand, one hundred thirteen".